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Communication: FOURTH PERIOD

A randomized 25 question test from a pool of 761 questions, good luck!
Modbus has standard command codes to allow the master to access information from it's slaves. Which of the commands below would be used to request the content of the slaves holding registers # 40108?
Voltage to voltage converters are best defined as which of the answers below?
There are several vital components to asynchronous transmission. Which of the answers below best relates to one that is not important?
Communication technology is generally specific to a type of area network. Which of the area networks below would IDSN and DSL be used primarily?
Each network layer for a DCS has it's own specialized equipment or software. Which of the layers below would make use of a DeviceNet protocol?
The OSI model describes how a network should be arranged. Which of the layers below concern network topologies the most?
Software for programming or configuration is an integral part of any HMI. Which of the interfaces below can be best described as having the ability to create, or delete any HMI application?
IPv4 has several distinct classifications. Which of the answers below would best describe how those classifications are determined using the address?
HMI networks are needed to expand or contract as required over their lifetime of use. Which of the networking types below will solve scalability, but is still limited because of multiple DA servers and duplication of information requiring an overuse of bandwidth?
IPv4 network classes can also be defined by the IP address they use. Which of the answers corresponds best to the address in row "H"?
There are several data access methods used to transmit data. Which of the answers below can be described as a method that the responding device cannot initiate any communication independently?
Which of the messaging methods is best described as one that can only be initiated by the link master in the H1 transmission system?
Modbus has standard command codes to allow the master to access information from it's slaves. Which of the commands below would be used to write the contents of a series of 10 coils to the slave device?
In the protocol specifications of Modbus, there are only four types of registers that can be accessed by the master. Which of the terms below is best described as a discreet input memory location?
Which of the error detection methods below best relates to the term "parity bit"?
There are several devices that reside at each layer within the a typical DCS. Which of the levels below is where PLC and SIS controllers reside?
Which component of a wired Ethernet network has provisions for interfacing with the OSI model physical and data link layer?
There are several different ways to let an operator know about an alarm in any HMI. Which of the answers below would best be described as a horn being sounded?
Which of the answers below best represents the most common way to indicate the range of frequencies that can be used for a transmission system with little or no attenuation?
Software for programming or configuration is an integral part of any HMI. Which of the interfaces below can be best described as having the ability to design the GUI, including configuring tags and introducing specialized scripting?
Modbus has standard command codes to allow the master to access information from it's slaves. Which of the commands below would be used to request the content of the slaves holding registers # 40108?
Which answer below is best described as the RS-232 standard for voltage range to receive a "Space"?
Which of the answers below represents one of the types of cables not available for use in a Foundation fieldbus H1 transmission system?
In IPv4, if you are using a static IP address assignment, which of the actions from the answers below, are you preforming?
In a typical GUI, values take one of four generic indicators. Which of the indicators below would best be used with discrete data where more information is needed?